Adds 2024 to our own territory legislator data files (#2900)

# Description and Motivation
<!--- bulleted, high level items. use keywords (eg "closes #144" or
"fixes #4323") -->

- manually adds 2024 data to our territorial legislature files in /data
- fixes issue where finding women with more than one specific race was
throwing an error on Airflow


## Has this been tested? How?

tests passing

## Types of changes

(leave all that apply)

- Bug fix
- New content or feature

## New frontend preview link is below in the Netlify comment 😎

data/cawp_time/cawp_state_leg_11.csv

@@ -50,3 +50,4 @@ time_period,state_fips,total_state_leg_count
 "2021","11",13
 "2022","11",13
 "2023","11",13
+"2024","11",13

data/cawp_time/cawp_state_leg_60.csv

@@ -56,3 +56,4 @@ time_period,state_fips,total_state_leg_count
 "2021","60",39
 "2022","60",39
 "2023","60",39
+"2024","60",39

data/cawp_time/cawp_state_leg_66.csv

@@ -73,3 +73,4 @@ time_period,state_fips,total_state_leg_count
 "2021","66",15
 "2022","66",15
 "2023","66",15
+"2024","66",15

data/cawp_time/cawp_state_leg_69.csv

@@ -45,3 +45,4 @@ time_period,state_fips,total_state_leg_count
 "2021","69",29
 "2022","69",29
 "2023","69",29
+"2024","69",29

data/cawp_time/cawp_state_leg_72.csv

@@ -71,3 +71,4 @@ time_period,state_fips,total_state_leg_count
 "2021","72",78
 "2022","72",78
 "2023","72",78
+"2024","72",78

data/cawp_time/cawp_state_leg_78.csv

@@ -69,3 +69,4 @@ time_period,state_fips,total_state_leg_count
 "2021","78",15
 "2022","78",15
 "2023","78",15
+"2024","78",15

python/datasources/cawp_time.py

@@ -1118,7 +1118,9 @@ def handle_other_and_multi_races(df):
 
     # rows with multiple specific races will sum later with
     # CAWP's incoming "multiracial alone"
-    df_multiple_specific = df[df[RACE_ETH].map(len) > 1]
+    df_multiple_specific = df[
+        df[RACE_ETH].apply(lambda x: isinstance(x, str) and len(x) > 1)
+    ]
     df_multiple_specific[RACE_ETH] = CAWP_MULTI
     df = pd.concat([df, df_multiple_specific])